Severance and Facility Closure Costs (Detail) - USD ($) $ in Millions	12 Months Ended			24 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 28	$ 42		$ 42
Charges Incurred	44	44
Cash Payments	(60)	(58)
Ending Balance	12	28	$ 42	12
Maximize B2 B Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred				81
Cash Payments	(8)
Ending Balance	8			8
Business Acceleration Program
Restructuring Cost and Reserve [Line Items]
Charges Incurred			19
Termination Benefits | Maximize B2 B Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Beginning Balance	19	27		27
Charges Incurred	(13)	(2)
Cash Payments	(1)	(6)
Ending Balance	5	19	27	5
Termination Benefits | Business Acceleration Program
Restructuring Cost and Reserve [Line Items]
Beginning Balance		2		2
Cash Payments		(2)
Ending Balance			2
Lease and contract obligations, accruals for facilities closures and other costs | Maximize B2 B Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Beginning Balance	6	10		10
Charges Incurred	5	9
Cash Payments	(7)	(13)
Ending Balance	4	6	10	4
Lease and contract obligations, accruals for facilities closures and other costs | Previously Planned Separation of Consumer Business and Re-alignment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	2
Charges Incurred	52
Cash Payments	(52)
Ending Balance	2	2		2
Lease and contract obligations, accruals for facilities closures and other costs | Comprehensive Business Review
Restructuring Cost and Reserve [Line Items]
Beginning Balance	1	2		2
Cash Payments		(1)
Ending Balance	1	1	2	1
Lease and contract obligations, accruals for facilities closures and other costs | USR Parent, Inc. Proposals
Restructuring Cost and Reserve [Line Items]
Charges Incurred		5
Cash Payments		(5)
Lease and contract obligations, accruals for facilities closures and other costs | Planned Separation of Consumer Business
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 2
Charges Incurred		32
Cash Payments		(30)
Ending Balance		2
Lease and contract obligations, accruals for facilities closures and other costs | Business Acceleration Program
Restructuring Cost and Reserve [Line Items]
Beginning Balance		1		$ 1
Cash Payments		$ (1)
Ending Balance			$ 1